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 | ... NTAMETHYL ... (6 elements)en (5) : PENTAMETHYLCYCLOPENTADIENE · PENTAMETHYLENE · PENTAMETHYLENEDIAMINE · PENTAMETHYLENETETRAZOL · PENTAMETHYLENETETRAZOLE fr (1) : PENTAMETHYLENE |
 | PENTAMETHYLCYCLOPENTADIENE · PENTAMETHYLENE · PENTAMETHYLENEDIAMINE · PENTAMETHYLENETETRAZOL · PENTAMETHYLENETETRAZOLE PENTAMETHYLCYCLOPENTADIENE · PENTAMETHYLENE · PENTAMETHYLENEDIAMINE · PENTAMETHYLENETETRAZOL · PENTAMETHYLENETETRAZOLE |
 | ... ENTAMETHYL ... (6 elements) PENTAMETHYLCYCLOPENTADIENE · PENTAMETHYLENE · PENTAMETHYLENEDIAMINE · PENTAMETHYLENETETRAZOL · PENTAMETHYLENETETRAZOLE ... NTAMETHYLC ... (1 element) PENTAMETHYLCYCLOPENTADIENE ... NTAMETHYLE ... (5 elements) PENTAMETHYLENE · PENTAMETHYLENEDIAMINE · PENTAMETHYLENETETRAZOL · PENTAMETHYLENETETRAZOLE |